天大地大老公最大山好水好老婆最好
[tiān dà dì dà lăo gōng zuì dà shān hăo shuĭ hăo lăo pó zuì hăo]
Under the big sky and the vast land, my husband is supreme; the mountains are good, the waters are beautiful, but my wife is best. This humorous phrase emphasizes harmony within a relationship.